@charset "utf-8";
.introduction{border:1px solid #cbcdcb;padding:15px; margin-left:25px;margin-bottom:10px;}
.introduction .top{ background:url(../images/commentfx.gif) no-repeat center bottom; padding-bottom:10px;}
.introduction .nr{ padding-top:10px; line-height:24px;}
.introduction { margin-bottom:20px; overflow:hidden; width:680px;}
.introduction .bt { text-align:center; font-size:14px; font-weight:bold; margin:14px 0 10px 0;}
.introduction .nr img{ padding:10px;max-width:640px;width: expression(this.width > 640 && this.width > this.height ? 640 : true);margin:0 auto; display:block; }
.introduction .nr p{ margin:0; padding:0;}
.username{ padding-left:20px; background-color:#f2f2f2}
.introduction .content{ padding-left:20px;}
.txtl{ float:left;width:435px;height:122px; margin-right:250px;}
.buttontj{ clear:both; background:url(../images/pinglun.gif) no-repeat; width:59px; height:21px; border:none; margin-top:10px;}